CN109140774A - Smoke exhaust pipe and gas heater - Google Patents

Abstract

The present invention discloses a kind of smoke exhaust pipe and gas heater, wherein the smoke exhaust pipe is used for gas heater, comprising: tube body has the exhaust end and inlet end being distributed along the vertical direction；Partition is set in the tube body, and is tightly connected with the inboard wall of tube body, offers ventilation hole on the partition, so that the partition is annularly arranged, and the partition upper surface is equipped with two attaching clamps；Shaft is fixedly arranged on two attaching clamps；And wind deflector, it is pivotally connected with the shaft, the wind deflector has to be tightly connected with the upper surface of the partition, the first state of the ventilation hole is closed with sealing cover, and is opened towards the exhaust end, so that the second state that the inlet end is connected to the exhaust end.Technical solution of the present invention can be improved the sealing performance of smoke exhaust pipe, and outdoor cold air is avoided to enter inside gas heater through smoke exhaust pipe.

Description

Smoke exhaust pipe and gas heater

Technical field

The present invention relates to field of water heaters, in particular to a kind of smoke exhaust pipe and gas heater.

Background technique

In general, needing for smoke evacuation exhaust, the smoke exhaust pipe of gas heater needs to stretch out outdoor.Since gas heater is not Under working condition, the section of tubing in heat exchanger still has ponding, when outdoor temperature is lower, is such as lower than zero degree, room Outer cold air easily enters inside water heater along the smoke exhaust pipe so that the ponding freezing and expansion in heat-exchanger pipeline and Spalling pipeline.

To avoid outdoor cold air from entering inside gas heater along smoke exhaust pipe, the smoke exhaust pipe of existing gas heater Inside it is typically provided wind deflector.It but is so that gas heater inside smoke is discharged to outdoor, thus needs to guarantee wind deflector energy In enough activities in smoke exhaust pipe namely existing gas heater, there is gap between the periphery and smoke evacuation inside pipe wall of wind deflector, such as This leads to the poor sealing effect of smoke exhaust pipe, from being unable to play good antifreeze effect.

Summary of the invention

The main object of the present invention is to propose a kind of smoke exhaust pipe, it is intended to which the sealing performance for improving smoke exhaust pipe avoids outdoor cold Air enters inside gas heater through smoke exhaust pipe.

To achieve the above object, smoke exhaust pipe proposed by the present invention is used for gas heater, comprising:

Tube body has the exhaust end and inlet end being distributed along the vertical direction；

Partition is set in the tube body, and is tightly connected with the inboard wall of tube body, offers ventilation hole on the partition, So that the partition is annularly arranged, and the partition upper surface is equipped with two attaching clamps；

Shaft is fixedly arranged on two attaching clamps；And

Wind deflector is pivotally connected with the shaft, and the wind deflector has to be tightly connected with the upper surface of the partition, with sealing Lid closes the first state of the ventilation hole, and opens towards the exhaust end, so that the inlet end and the exhaust end connect The second logical state.

Preferably, two ventilation holes are offered on the partition, two ventilation holes are divided into the two sides of the shaft； The smoke exhaust pipe includes two wind deflectors, and two wind deflectors are divided into the two sides of the shaft, and respectively with described turn Axis pivot joint.

Preferably, the upper surface of the partition is equipped with the seal bead for being located on the ventilation hole, the wind deflector and institute The upper surface for stating seal bead seals against.

Preferably, each seal bead includes the first muscle portion close to shaft setting, and far from described Second muscle portion of shaft setting, second muscle portion connect with first muscle portion and form closed hoop；

Side where second muscle portion top towards the shaft is bent to form the first flange, table on first flange Face is concordant with the upper surface of first muscle portion, and the wind deflector is supported with first flange and first muscle portion sealing respectively It connects.

Preferably, the upper surface of the seal bead is equipped with sealing ring, and the wind deflector is sealed against with the sealing ring.

Preferably, the outer rim of the partition turns down upward forms the second flange, and second flange is interior with the tube body Wall is tightly connected.

Preferably, a part of second flange is towards sunken inside, to form the attaching clamp.

Preferably, the attaching clamp is equipped with retention bead, and the retention bead is located at the surface of the shaft, with When the wind deflector is in second state, kept out with the wind deflector.

Preferably, the tube body includes:

The inner wall of first pipeline section, first pipeline section upper end extends radially outward, to form an overlap joint step upward Face, the lower surface of the partition are sealed against with the overlap joint step surface, and the periphery of the partition and first pipeline section Inner wall seals against；With,

Second pipeline section is detachably sheathed on the outer peripheral surface of first pipeline section upper end.

The present invention also proposes that a kind of gas heater, the gas heater include smoke exhaust pipe, and the smoke exhaust pipe includes:

Tube body has the exhaust end and inlet end being distributed along the vertical direction；

Partition is set in the tube body, and is tightly connected with the inboard wall of tube body, offers ventilation hole on the partition, And the partition upper surface is equipped with two attaching clamps；

Shaft is fixedly arranged on two attaching clamps；And

Wind deflector is pivotally connected with the shaft, and the wind deflector has to be tightly connected with the upper surface of the partition, with sealing Lid closes the first state of the ventilation hole, and opens towards the exhaust end, so that the inlet end and the exhaust end connect The second logical state.

In the present invention, when exhaust gas is discharged when gas heater is in running order, gas is discharged from tube body, to push up upwards Wind deflector is played, so that wind deflector is overturn upward, then tube body both ends are connected to by ventilation hole, so that inside gas heater Exhaust gas is smoothly discharged.When gas heater stops working the discharge of no exhaust gas, air pressure is identical as external atmosphere pressure in tube body, then keeps off Aerofoil is fallen after rise under self gravitation effect, until sealing against with partition upper surface.Due to being provided with partition in tube body, keep out the wind Plate is contact of the face with face with the in sealing contact of partition, reduces or avoid the generation in gap between wind deflector and tube body, thus The sealing effect of wind deflector is improved, so that tube body both ends disconnect, ambient atmos, as cold air can not enter combustion by tube body Inside gas water heater, the spalling pipe phenomenon so as to avoid the ponding freezing and expansion in the heat-exchanger pipeline of gas heater Generation, play preferable antifreezing effect.Simultaneously as wind deflector pivot joint shaft, be mounted on partition, then every The components such as plate and wind deflector can it is pre-assembled after be installed in tube body jointly again, to facilitate shaft, wind deflector etc. zero The installation of component.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of smoke exhaust pipe of the present invention；

Fig. 2 is the decomposition diagram of smoke exhaust pipe in Fig. 1；

Fig. 3 is the structural schematic diagram of partition in Fig. 2；

Fig. 4 is the top view of partition in Fig. 3；

Fig. 5 is the A-A cross-sectional view of partition in Fig. 4；

Fig. 6 is the enlarged drawing in Fig. 5 at B.

Drawing reference numeral explanation:

The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.

It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention, Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship, Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution Conjunction is not present, also not the present invention claims protection scope within.

The present invention proposes a kind of gas heater, which includes water heater main body, heat exchanger and smoke exhaust pipe. Wherein, the water heater main body has combustion chamber, and the heat exchanger is located in the combustion chamber, described smoke exhaust pipe one end, i.e., Inlet end is connected to the combustion chamber, and the other end, i.e. exhaust end are connected to the external world, is given up with being discharged what the burning Indoor Combustion generated Gas.

In embodiments of the present invention, incorporated by reference to referring to figs. 1 to Fig. 3, the smoke exhaust pipe includes:

Tube body 100, the tube body 100 have the exhaust end and inlet end being distributed along the vertical direction；

Partition 200 is set in the tube body 100, and is tightly connected with 100 inner wall of tube body, is opened on the partition 200 Equipped with ventilation hole 210, and 200 upper surface of the partition is equipped with two attaching clamps 240；

Shaft 400 is fixedly arranged on two attaching clamps 240；And

Wind deflector 300 is pivotally connected with the shaft 400, and the wind deflector 300 has close with the upper surface of the partition 200 Envelope connection is closed the first state of the ventilation hole 210 with sealing cover, and opened towards the exhaust end, so that the air inlet Hold the second state being connected to the exhaust end.

In the embodiment of the present invention, the partition 200 setting substantially annular in shape, when the tube body 100 is round tube, it is described every Plate 200 is annular in shape；When the tube body 100 is square tube, the partition 200 is square ring-type.

The exhaust end and the inlet end are distributed along the vertical direction, i.e., the described exhaust end upper, the inlet end under, So that the gas heater is vented upward under.Gas when the gas heater is vented upwards, in the exhaust pipe Press larger, gas impacts the wind deflector 300 upward, so that the wind deflector 300 is upward, i.e., beats towards exhaust end rotation It opens, so that the wind deflector 300 is in the second state, the both ends of the tube body 100 are connected to by the ventilation hole 210, So that the indoor exhaust gas of burning is smoothly discharged.When the gas heater does not need exhaust, due in the combustion chamber The discharge of no gas, 100 internal pressure of tube body is identical with atmospheric pressure, then the dependence of wind deflector 300 gravity fall after rise to institute The conjunction of 210 sealing cover of ventilation hole is stated, and is in first state, so that 100 both ends of the tube body disconnect, ambient atmos can not pass through institute It states tube body 100 and enters combustion chamber, so that being isolated from the outside inside the gas heater.

In the present invention, when exhaust gas is discharged when gas heater is in running order, gas from tube body 100 be discharged, with to Upper jack-up wind deflector 300, so that wind deflector 300 is overturn upward, then 100 both ends of tube body are connected to by ventilation hole 210, so that Exhaust gas inside gas heater is smoothly discharged.When gas heater stops working the discharge of no exhaust gas, in tube body 100 air pressure with External atmosphere pressure is identical, then wind deflector 300 is fallen after rise under self gravitation effect, until being tightly connected with 200 upper surface of partition.By In being provided with partition 200 in tube body 100, the in sealing contact of wind deflector 300 and partition 200 is contact of the face with face, reduction or The generation in gap between wind deflector 300 and tube body 100 is avoided, so that the sealing effect of wind deflector 300 is improved, so that tube body 100 both ends disconnect, ambient atmos, if cold air can not be entered inside gas heater by tube body 100, so as to avoid combustion The generation of ponding freezing and expansion in the heat-exchanger pipeline of gas water heater and spalling pipe phenomenon plays preferable antifreeze effect Fruit.Simultaneously as being mounted on partition 200, then partition 200 and wind deflector 300 for the shaft 400 that wind deflector 300 is pivotally connected Equal components can it is pre-assembled after be installed to jointly in tube body 100 again, to facilitate shaft 400, wind deflector 300 etc. zero The installation of part.

Two ventilation holes 210 are offered on the partition 200, two ventilation holes 210 are divided into the shaft 400 Two sides；The smoke exhaust pipe includes two wind deflectors 300, and two wind deflectors 300 are divided into the two sides of the shaft 400, And it is pivotally connected respectively with the shaft 400.In the embodiment, each corresponding ventilation hole 210 of the wind deflector 300 is arranged. By the way that two ventilation holes 210 are arranged, it is capable of increasing draught area, so that smoke discharging effect is more preferable.And pass through two gears of setting Aerofoil 300, since shaft 400 is the adjacent position of that is, two wind deflectors 300 between two ventilation holes 210 It can be contacted with 200 upper surface of partition, so that sealing effect is more preferable.Preferably, the axis of the shaft 400 is along institute Radially extending for smoke exhaust pipe is stated, two ventilation holes 210 are symmetrical set centered on the shaft 400.And preferably, two institute State ventilation hole 210, the setting of two wind deflector 300 equal semicirculars in shape.Certainly, in other embodiments, an institute can also be only set State wind deflector 300.

To further increase sealing effect, in one embodiment, the upper surface of the partition 200, which is equipped with, is located on described lead to The seal bead 220 of air holes 210, the wind deflector 300 and the upper surface of the seal bead 220 seal against.The embodiment In, when the wind deflector 300 is in first state, the wind deflector 300 can be sealed against with the seal bead 220, So as to avoid the air leakage phenomena of the wind deflector 300 and the pivot points of the shaft 400.Due to the seal bead 220 Towards protruding above, that is, it is located at the upper surface of the partition 200.Position between two seal beads 220 is equivalent to shape At a groove, the shaft 400 is located in the groove, which is equivalent to provides centainly to the rotation of the wind deflector 300 Bit space is allowed to avoid the wind deflector 300 from interfering with the partition 200 to more preferably facilitate the rotation of the wind deflector 300. Preferably, the seal bead 220 is bent to form by the hole wall of the ventilation hole 210.

Each seal bead 220 includes the first muscle portion 221 close to the shaft 400 setting, and far from institute The second muscle portion 222 of the setting of shaft 400 is stated, second muscle portion 222 connect with first muscle portion 221 and forms close ring Shape.Incorporated by reference to reference fig. 4 to fig. 6, the side where 222 top of the second muscle portion towards the shaft 400 is bent to form first Flange 2221,2221 upper surface of the first flange is concordant with the upper surface of first muscle portion 221, and the wind deflector 300 divides It is not sealed against with first flange 2221 and first muscle portion 221.In the embodiment, due to far from the shaft 400 Position, i.e., in the position of second muscle portion 222, as the side of folding, therefore by the side be arranged the first flange 2221, To increase the contact area of the wind deflector 300 and the seal bead 220, so that sealing effect is more preferable.Preferably, institute The linear section of the first muscle portion 221 is stated, and is arranged parallel with the shaft 400, second muscle portion 222 is in arc section.

To make sealing effect more preferable, in one embodiment, the upper surface of the seal bead 220 is equipped with sealing ring, institute Wind deflector 300 is stated to seal against with the sealing ring.Since the sealing ring has elasticity, even if then working as the wind deflector 300 Or when 220 out-of-flatness of seal bead, by way of sealing ring is set, shadow brought by surface irregularity can be reduced It rings, to avoid or eliminate the generation in gap between wind deflector 300 and seal bead 220.Certainly, the sealing ring may also set up In 300 lower surface of wind deflector.Preferably, the sealing ring is Nian Jie with the seal bead 220.

For the contact area for increasing the partition 200 and 100 inner wall of tube body, in one embodiment, the partition 200 Outer rim turn down form the second flange 230 upward, second flange 230 and the inner wall of the tube body 100 are tightly connected.Pass through Second flange 230 is set, the area of 200 outer peripheral surface of partition is increased, so that 100 inner wall of the tube body can Preferably with the periphery face contact of the partition 200.

In an embodiment of the present invention, a part of second flange 230 is towards sunken inside, to form the attaching clamp 240.Specifically, the bottom end of the attaching clamp 240 is connect with second flange 230, and the top of the attaching clamp 240 is Free end enables the shaft 400 there are installation gap between 100 inner wall of as described attaching clamp 240 and the tube body It is enough to extend out to the installation gap via the attaching clamp 240, and be stuck between 100 inner wall of tube body, so that The attaching clamp 240 can preferably support the shaft 400, avoid the thinner thickness due to the attaching clamp 240 and The shaft 400 is caused to be detached from the fixation of the attaching clamp 240.In the embodiment of the present invention, the shaft 400 preferably with it is described 100 inner wall of tube body interference fit, i.e., described 400 both ends of shaft are stuck between 100 inner wall of tube body.Certainly, other embodiments In, 400 both ends of shaft can also be pierced by 100 inner wall of the tube body setting.

When the wind deflector 300 rotation, if rotational angle is excessive upward for wind deflector 300, such as larger than 90 degree, then wind deflector 300 will fall from the other side, be unable to close with the corresponding lid of ventilation hole 210.It therefore is the generation for avoiding the phenomenon, In one embodiment, the attaching clamp 240 is equipped with retention bead 241, and the retention bead 241 is located at the shaft 400 Surface, kept out with the wind deflector 300 when the wind deflector 300 is in second state.In this way, any one institute Stating the maximum rotational angle of wind deflector 300 is 90 degree, i.e., when the described wind deflector 300 is in maximum rotation angle, the wind deflector 300 vertical displays, thus when in the tube body 100 without exhaust gas be discharged when, the wind deflector 300 can by gravity fall after rise to Original position, i.e., two wind deflectors 300 are fallen back to positioned at the two sides of the shaft 40022.It in this embodiment, can be only in an institute It states and the retention bead 241 is set on attaching clamp 240；Certainly, in other embodiments, on two attaching clamps 240 Equipped with the retention bead 241.It is described relative to being set to by the way that the retention bead 241 to be set on the attaching clamp 240 On 100 inner wall of tube body, the processing of the retention bead 241 can be facilitated.

It please recombine with reference to Fig. 2, in the embodiment of the present invention, the tube body 100 is arranged in multistage, specifically, the pipe Body 100 includes:

The inner wall of first pipeline section 110,110 upper end of the first pipeline section extends radially outward, with the taking upward of formation one Consecutive terrace 111,200 lower surface of partition is sealed against with the overlap joint step surface 111, and the periphery of the partition 200 It is sealed against with the inner wall of first pipeline section 110；With,

Second pipeline section 120 is detachably sheathed on the outer peripheral surface of 110 upper end of the first pipeline section.

In the embodiment, first pipeline section 110 is ladder pipe, and 110 upper end of the first pipeline section is big, and lower end is small.It is excellent Selection of land, first pipeline section 110 and second pipeline section 120 welding, the partition 200 are welded with the tube body 100.

By forming an overlap joint step surface 111 upward in 110 inner wall of the first pipeline section, the partition can be facilitated 200 installation, and the contact area of the partition 200 and 100 inner wall of tube body can also be increased, so that the partition 200 Outer peripheral surface and lower surface are in sealing contact with 100 inner wall of tube body, and progress is multi-sealed, so that sealing effect is more preferable.

The partition 200 is arranged close to the upper end of first pipeline section 110, it is preferable that 200 part of partition is emerging in Outside first pipeline section 110.Due to be between 100 inner wall of 200 circumferential surface of partition and the tube body interference fit, therefore pass through by The partition 200 is first protruded into described first from above first pipeline section 110 during installation by 100 subsection setup of tube body Inside pipeline section 110, the distance of extruding installation of the partition 200 in the tube body 100 is shorter, can facilitate the partition 200 installation.

The one end of second pipeline section 120 far from first pipeline section 110, i.e. the inner wall of upper end is radially inwardly extending, So that second pipeline section 120 is small in upper end, the big step-like setting in lower end.In the embodiment, due in second pipe Other components are usually additionally provided in section 120, and are connected with other pipelines, and the size of other pipelines usually all immobilizes , therefore by the way that second pipeline section 120 is arranged, the lower end of the second pipeline section 120 is connect with first pipeline section 110, the second pipeline section 120 upper end diameter is smaller, can install with other pipelines or other parts match.

300 top surface of wind deflector is equipped with reinforcing rib 310.The intensity of the wind deflector 300 can so be reinforced, reduce institute The deformation of wind deflector 300 is stated, to guarantee sealing effect.

The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly It is included in other related technical areas in scope of patent protection of the invention.

Claims (10)

1. a kind of smoke exhaust pipe is used for gas heater characterized by comprising

Tube body has the exhaust end and inlet end being distributed along the vertical direction；

Partition is set in the tube body, and is tightly connected with the inboard wall of tube body, offers ventilation hole on the partition, so that It obtains the partition to be annularly arranged, and the partition upper surface is equipped with two attaching clamps；

Shaft is fixedly arranged on two attaching clamps；And

Wind deflector is pivotally connected with the shaft, and the wind deflector has to be tightly connected with the upper surface of the partition, is closed with sealing cover The first state of the ventilation hole, and opened towards the exhaust end, so that the inlet end was connected to the exhaust end Second state.

2. smoke exhaust pipe as described in claim 1, which is characterized in that two ventilation holes are offered on the partition, described in two Ventilation hole is divided into the two sides of the shaft；The smoke exhaust pipe includes two wind deflectors, and two wind deflectors are divided into institute The two sides of shaft are stated, and are pivotally connected respectively with the shaft.

3. smoke exhaust pipe as claimed in claim 2, which is characterized in that the upper surface of the partition is equipped with and is located on the ventilation hole Seal bead, the wind deflector and the upper surface of the seal bead seal against.

4. smoke exhaust pipe as claimed in claim 3, which is characterized in that each seal bead includes setting close to the shaft The first muscle portion set, and far from the shaft setting the second muscle portion, second muscle portion connect with first muscle portion and Form closed hoop；

Side where second muscle portion top towards the shaft is bent to form the first flange, first flange upper surface with The upper surface of first muscle portion is concordant, and the wind deflector is sealed against with first flange and first muscle portion respectively.

5. smoke exhaust pipe as claimed in claim 3, which is characterized in that the upper surface of the seal bead is equipped with sealing ring, described Wind deflector is sealed against with the sealing ring.

6. smoke exhaust pipe as described in claim 1, which is characterized in that the outer rim of the partition turns down upward forms the second flange, The inner wall of second flange and the tube body is tightly connected.

7. smoke exhaust pipe as claimed in claim 6, which is characterized in that a part of second flange is towards sunken inside, to be formed The attaching clamp.

8. smoke exhaust pipe as described in claim 1, which is characterized in that the attaching clamp is equipped with retention bead, the limit Protrusion is located at the surface of the shaft, kept out with the wind deflector when the wind deflector is in second state.

9. the smoke exhaust pipe as described in claim 1 to 8 any one, which is characterized in that the tube body includes:

The inner wall of first pipeline section, first pipeline section upper end extends radially outward, to form an overlap joint step surface upward, institute The lower surface and the overlap joint step surface for stating partition seal against, and the periphery of the partition and the inner wall of first pipeline section are close Envelope abuts；With,

Second pipeline section is detachably sheathed on the outer peripheral surface of first pipeline section upper end.

10. a kind of gas heater, which is characterized in that the gas heater includes as described in claim 1 to 9 any one Smoke exhaust pipe.